New Mechanical Principles
30:14
350 Mechanical Principles Basic And Application
7:37
The Controversial Perpetual Motion Machine We Set the Truth Straight
16:47
Process of producing ELECTRIC ALTERNATORS. Amazing skills of VIETNAMESE workers.
19:02
Melting 50 Million Tons of Iron Ore! Process of Making High Quality Wire Rods in Korea
1:12
Scotch yokes, two different kinds.
29:57
When a loader expires in European countries, it is of course sold to poor countries. Let's see how
8:23
3D animations simulate interesting machines
8:51